/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.catalina.startup;

import org.apache.tomcat.util.IntrospectionUtils;
import org.apache.tomcat.util.digester.Rule;
import org.xml.sax.Attributes;

/**
 * Rule that uses the introspection utils to set properties of a context
 * (everything except "path").
 *
 * @author Remy Maucherat
 */
public class SetContextPropertiesRule extends Rule {


	// ----------------------------------------------------------- Constructors


	// ----------------------------------------------------- Instance Variables


	// --------------------------------------------------------- Public Methods

	/**
	 * Handle the beginning of an XML element.
	 *
	 * @param attributes The attributes of this element
	 * @throws Exception if a processing error occurs
	 */
	@Override
	public void begin(String namespace, String nameX, Attributes attributes)
			throws Exception {

		for (int i = 0; i < attributes.getLength(); i++) {
			String name = attributes.getLocalName(i);
			if ("".equals(name)) {
				name = attributes.getQName(i);
			}
			if ("path".equals(name) || "docBase".equals(name)) {
				continue;
			}
			String value = attributes.getValue(i);
			if (!digester.isFakeAttribute(digester.peek(), name)
					&& !IntrospectionUtils.setProperty(digester.peek(), name, value)
					&& digester.getRulesValidation()) {
				digester.getLogger().warn("[SetContextPropertiesRule]{" + digester.getMatch() +
						"} Setting property '" + name + "' to '" +
						value + "' did not find a matching property.");
			}
		}

	}


}
